Adding a Win Server 2008 server as a domain controller to a Win 2003 domain

I have a single domain 2003 domain that I want to add an additional Win Server 2008 domain controller to. The existing Win 2003 server will be removed once this have been completed and is no longer required.

I have successfuly run the following...
adprep32 /forestprep
adprep32 /domainprep
adprep32 /domainprep /gpprep

When I now try to add the new 2008 server as a domain controller using adprep32 /rodcprep then I get a message stating 'adprep could not contact the domain naming FSMO ...'

If I am happy for the new DC to be writable, can I just proceed with the DCpromo wizard when it states it cant be set up as read-only DC because adprep32 /RODCprep has not been run on the primary DC (Win 2003 server) ?

After performing the commands, add the 2008 server to existing 2003 domain>>Perform dcpromo and promote this as a additional DC>>Transfer all the fsmo roles from the 2003 DC and make the 2008 as prmary DNS, configure DHCP if required.Once you confident that everything is working fine>> Demote the 2003 server and perform the metadata cleanup and disconnect it from domain.

As leew suggested, you can not run adprep32 /rodcprep if you don't have a writable 2008 server already in place.

DCPROMO should install DNS for you, but while I THINK it does the FSMO role transfer (when you demote the FSMO role holder), I always do this manually. For instructions on that, I recommend reviewing:http://www.petri.co.il/transferring_fsmo_roles.htm

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